Interpretation: Quantity of
Concept introduction: In a nuclear reaction, unstable nuclide disintegrates into stable nuclide with emission of various radiations spontaneously. It is called radioactivity of nucleus. Emission of rays like alpha, beta and gamma rays occur in the process which changes the identity of nucleus.
During a nuclear change, an element undergoes change in its
Answer to Problem 3STP
Quantity of
Explanation of Solution
Given information: Elapsed time is 1 days that is
The formula to calculate the number of half lives (
Where,
Substitute
Number of half lives equal to
The formula to calculate the remaining amount of radioactive element is as follows:
Where,
Substitute
Quantity of
Since the quantity of
Chapter 19 Solutions
World of Chemistry
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